As pointed out by this bug report [1], the buffered write is now broken on S29GL064N. The reason is that changed the buffered write to use chip_good instead of chip_ready. One way to solve the issue is to revert the change partially to use chip_ready for S29GL064N since the way of least surprise. [1] https://lore.kernel.org/r/b687c259-6413-26c9-d4c9-b3afa69ea124@xxxxxxxxxxxxxx/ Fixes: dfeae1073583("mtd: cfi_cmdset_0002: Change write buffer to check correct value") Signed-off-by: Tokunori Ikegami <ikegami.t@xxxxxxxxx> Tested-by: Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx> Cc: Miquel Raynal <miquel.raynal@xxxxxxxxxxx> Cc: Richard Weinberger <richard@xxxxxx> Cc: Vignesh Raghavendra <vigneshr@xxxxxx> Cc: linux-mtd@xxxxxxxxxxxxxxxxxxx Cc: stable@xxxxxxxxxxxxxxx Tokunori Ikegami (3): mtd: cfi_cmdset_0002: Add S29GL064N ID definition mtd: cfi_cmdset_0002: Move and rename chip_check/chip_ready/chip_good_for_write mtd: cfi_cmdset_0002: Use chip_ready() for write on S29GL064N drivers/mtd/chips/cfi_cmdset_0002.c | 89 +++++++++++++++-------------- 1 file changed, 47 insertions(+), 42 deletions(-) -- 2.32.0
